The BEST base for achieving -3% enolization of butanal is Select one: a. sulfuric acid b. sodium methoxide c. potassium tert-butoxide d. ammonia e. lithium diisopropylamide

Q: Consider following aqueous solutions: 2.75 m sucrose / 1.50 m NaC1 / 1.00 m LiPO4 / Pure Water /…

A:

Q: A galvanic cell is composed of these two half-cells, with the standard reduction potentials shown:…

A:

Q: Predict whether AS for each reaction would be greater than zero, less than zero, or too close to…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: O

A:

Q: b Consider the reaction: Ca(s) +2 H₂O(l) →Ca(OH)2(aq) +2H2(g) AHfᵒ(kJ/mol) -285.83 -1002.82…

A: Change in Gibbs free energy of reaction determines the spontaneity of the reaction. It can be…

Q: The solubility product constant for a certain metal hydroxide, M(OH)2 is Ksp = 3.0 × 10−21. Its…

A: Given: Ksp of M(OH)2 = 3.0 × 10−21 Molar mass = 242.94 g/mol

Q: Calcium Phosphate are used to make commercial fertilizer. Its Ksp value is 2.07x10-33 at 25oC.…

A: Given : Ksp =  2.07x10-33  [PO43- ] = 5x10-5 M Volume = 275ml

Q: A student titrated a 50.00 mL sample of 1.00 M sodium hydroxide solution NaOH with 30.00 mL…

A: Given :-  Molarity of NaOH solution = 1.00 M  Volume of NaOH solution = 50.00 mL  Volume of H2SO4…

Q: 12) For the reaction: Br,(g) + Cl₂(g) = 2 BrCl(g), Kc = 7.20 at 200°C. If a reaction vessel is…

A:

Q: In a basic solution at 25°C, Oa. [H3O+]> [OH]. O b. [H3O+][OH-] 1.0 × 10-7. O d. [OH-]> 1.0 × 10-7.…

A:

Q: The standard voltage, Eº, for the reaction of Zn(s) and Cl₂(g) is 2.12 V. What is the standard Gibbs…

A:

Q: A certain reaction is endothermic in the forward direction. The reaction has less moles of gas on…

A: According to le chatelier principal reaction tries to oppose the change in equilibrium. Go in…

Q: Calculate the pH of the solution for every 0.1 ml of the titrant (from 0 mL to 30 mL) and generate a…

A: Given: Concentration of H2A = 0.100 M Volume of H2A = 100.0 mL Concentration of NaOH = 0.1 M Volume…

Q: Write the equation for Keq for the following as a homogeneous equilibrium (only the aqueous phase)…

A:

Q: A galvanic cell is constructed with a copper electrode dipping into a 0.023 M solution of Cu²+ ions,…

A:

Q: Check the box next to each molecule on the right that has the shape of the model molecules (check…

A: The structures of all the molecules are given in the following step.

Q: if kf for water is 1.86°C/m, what is the freezing point of an aqueous solution of Sodium chloride…

A:

Q: Calculate the pH and pOH of a solution at 25°C, if [OH-] = 1.3 x 10-⁹ M. Answer to the hundredths…

A:

Q: 5. For each of the following reactions, predict the major product(s). Include stereochemistry where…

A: 5. HCl addition to alkenes gives Markonikov product. (ii) Hydration of alkenes using acid and water.…

Q: What strategy makes sense for this overall transformation? ch9_d5_q1.pdf Markovnikov addition…

A:

Q: The following transformations require multiple steps. Show how to accomplish e transformation. You…

A:

Q: Write an equation to show that hydrocyanic acid, HCN, behaves as an acid in water. + H₂O= + Write a…

A:

Q: Complete the balanced equation for HC₂H3O2 dissolved into water. Label the Acid, Base, Conjugate…

A: Given : We have to balance the given incomplete reaction.

Q: In the Lewis dot formula that minimizes formal charge, how many bonds are there in the tetrathionate…

A:

Q: Consider the following reaction at 298K. Hg2+ (aq) + Co(s)→→→ Hg(t) + Co²+ (aq) The standard Gibbs…

A: Given-> ∆G° = -219.06 KJ = -219.06 × 1000 J = -219060 J

Q: Would the following processes be exothermic or endothermic? a. solid → liquid b. gas liquid c.…

A:

Q: Bromine has two isotopes, Br-79 and Br-81. Their abundances are 49% and 51%, respectively. Chlorine…

A:

Q: a. Predict the sign of ASsurr for the following processes. H₂O(s) → H₂O(l) AS surr is negative…

A:

Q: When the ideas from Boyle's Law, Charles' Law and Gay-Lussac's Law are combined, you get the…

A:

Q: rock containing 238U and 206Pb was examined to determine its approximate age. The molar ratio of…

A:

Q: If the original gravity is 1.03 and final gravity is 0.96, calculate the percent alcohol content…

A: As per the guidelines, As you didn't specify question you want hence I'm answering first question…

Q: g) h) OH Br- ام -CI + NaOH O CH3 NaOH CH3OH

A: Detail mechanistic pathway is given below

Q: "Experimentally" prepare reasonably, one-liter pH5 buffer using oxalic acid and its sodium salt(s).…

A: Given: Volume of buffer solution = 1 L pH = 5 Let the concentration of buffer solution be "1.0 M".…

Q: For ammonia, Kb is 1.8 × 10–5 .  To make a buffered solution with pH 10.0, the ratio of NH4Cl to NH3…

A:

Q: When 92.4 g of urea (CH₂N₂O) are dissolved in 1450. g of a certain mystery liquid X, the freezing…

A:

Q: After 50 years, what mass (in g) remains of a 200.0 g sample of a radioactive isotope with a…

A:

Q: Glycolysis is the first step in the oxidation of fatty acids to produce energy. A) True B) False

A: Oxidation is a process in which there is addition of oxygen to a molecule or there is removal of…

Q: What is the numerical value of K, the equilibrium constant, for a reaction with a Δ Go of -56 kJ at…

A: Formula used:-  ∆G° = -2. 303 RT log K  ∆G° = -56KJ = -56×103 J  R = gas constant = 8.31 J /Kmol T =…

Q: Five moles of an acid HA was dissolved in 5.0 L of solution. After the system had come to…

A: Equilibrium constant is the ratio of product of concentration of products raised to their…

Q: llustrate with equation: Laboratory preparation of acetic acid Laboratory preparation of benzoic…

A:

Q: How many mL of 0.100 M hydrochloric acid react with excess zinc metal in order to collect 50.0 mL of…

A: All the necessary calculations have been done in the following step.

Q: Part A At what temperature (in degrees Celsius) will xenon atoms have the same average speed that…

A:

Q: 2NaOH (aq) + CuSO4 (aq) --->  Cu(OH)2(s)  + Na2SO4(aq)   How many grams of copper II sulfate are…

A:

Q: Methylamine Ethylamine H3NH₂ C₂H5NH₂ H₂NH3 C₂H5NH3+ 4.38 X 10 5.6 x 10-4 Aniline CH;NH, C6H5NH3 +…

A:

Q: Calculate the [NH3] in a solution of 0.210 M ammonium fluoride (NH,F). Hint: Use the Ka of HF (6.8 x…

A: We have find out the [NH3] in a solution of 0.210 M ammonium fluoride (NH,F).

Q: 13) Consider the following equilibria: SO2(g) + 0.502(g) SO3(g) 2NO3(g) 2NO2(g) + O2(g) Calculate…

A: Calculate equilibrium constant of the given reaction --

Q: After 50 years, what mass (in g) remains of a 200.0 g sample of a radioactive isotope with a…

A: Given that:  Initial mass of radioactive substance = 200.0g Time(t) = 50 years Half life (t1/2) =…

Q: Direction: Answer the following questions accordingly. 1. Hydrogen gas and iodine react to form…

A:

Q: For the LMCT bands of [Co (NH3)5Br]2+, would you expect solvatochromism, i.e., dependence of the…

A: LMCT (Ligand to metal charge transfer) occurs when the ligand coordinated to the central metal ion…

Q: Calculate the [H*] and [OH] of a solution at 25°C, if pH = 7.85. (answer in scientific notation)…

A: Given :- pH of solution = 7.85  To calculate : [H+] and [OH-] at 25°C